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Last modified 2023-01-20

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Rockwell Collins 451S-1

A picture of Rockwell Collins 451S-1

SPECIFICATIONS

GENERAL
Type:HF receiver
Frequency range: 0.2-30 MHz
Tuning steps:10 / 100 Hz, 1 KHz, 1 MHz
Frequency stability: Within 1100 Hz @ 0 to 50C (32 to 122F)
Within 120 Hz @ 0 to 50C (32 to 122F) with optional oven standard
Mode:AM / SSB / CW / FSK
Channels / memory management: ? regular
Power supply:Mains: 105-125 / 210-250 VAC
or 13.5 VDC
Current drain / power consumption:? mA
Antenna impedance / connector:50 ohm / BNC
Dimensions (W*H*D):394*165*457 mm (15.5*6.5*18")
Weight:12.7 Kg (28 lb)
Other features: Attenuator (20 dB). Passband tuning. Line output (600 ohm).
IF output (466 KHz).




RECEIVER SECTION
Receiver system: ? conversion superheterodyne
Sensitivity: AM (10 dB S+N/N)
0.2-1.6 MHz: 10 uV
1.6-30 MHz: 3.5 uV
SSB/CW (10 dB S+N/N)
0.2-1.6 MHz: 1.5 uV
1.6-30 MHz: 0.5 uV
Selectivity:
Filter-3 dB-60 dB
360360 Hz1.25 KHz(Standard)
2.12.1 KHz4.4 KHz(Standard)
6.06 KHz30 KHz(Standard)
140140 Hz600 Hz(Optional)
1.71.7 KHz3.4 KHz(Optional)
3.03 KHz9 KHz(Optional)
Image rejection:>60 dB
AF output power / speaker:3 W at 10% distortion / 4 ohm
External speaker connector:




MISCELLANEOUS
Manufactured:USA, 1982-1982 (Discontinued)
Additional info:This is an ultra rare receiver as only about 10 prototypes were made.
Related documents:
Modifications and fixes:
Reviews:
Options / Accessories:
AC-3801
AC-3805
AC-3811
AC-3812
AC-3814
?
Noise blanker
Keypad assembly
CW narrow filter, 140 Hz
SSB/RTTY narrow filter, 1.7 KHz
SSB wide filter, 3 KHz
Rack mount